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for use in closed circuit television (CCTV) surveillance systems for security
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Who is BS EN 843-2 - Young’s modulus of monolithic ceramics for
e) fixed lights
Smoke and heat control systems - Smoke control dampers Ingestion-build-177197 for use in closed circuit1 Scope This European Standard applies to smoke control dampers, placed on the market and intended to operate as part of a pressure differential system or smoke and heat control system. This standard specifies requirements and gives reference to the test methods defined for smoke control dampers and their associated components, such as actuators which are intended to be installed in such systems in buildings. It also provides for the evaluation of